EP0361245A3 - Shaft seal for a turbo machine - Google Patents

Shaft seal for a turbo machine Download PDF

Info

Publication number: EP0361245A3
Authority: EP; European Patent Office
Prior art keywords: shaft seal; turbo machine; turbo; machine; seal
Prior art date: 1988-09-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP89117174A

Other languages

German (de)

Other versions

EP0361245B1 (en

EP0361245A2 (en

Inventor

Wolfgang Weiler

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

MTU Aero Engines AG

Original Assignee

MTU Motoren und Turbinen Union Muenchen GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-09-24

Filing date

1989-09-16

Publication date

1990-04-18

1989-09-16 Application filed by MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH

1990-04-04 Publication of EP0361245A2 publication Critical patent/EP0361245A2/en

1990-04-18 Publication of EP0361245A3 publication Critical patent/EP0361245A3/en

1992-07-29 Application granted granted Critical

1992-07-29 Publication of EP0361245B1 publication Critical patent/EP0361245B1/en

2009-09-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/441—Free-space packings with floating ring
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Mechanical Sealing (AREA)
Sealing Devices (AREA)

EP89117174A 1988-09-24 1989-09-16 Shaft seal for a turbo machine Expired - Lifetime EP0361245B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3832560A DE3832560A1 (en)	1988-09-24	1988-09-24	DEVICE FOR SEALING SPACES INTENDED BY MEDIA, LIKE LIQUIDS AND / OR GASES OF DIFFERENT PRESSURES, IN PARTICULAR BETWEEN SHAFTS IN TURBO MACHINES
DE3832560		1988-09-24

Publications (3)

Publication Number	Publication Date
EP0361245A2 EP0361245A2 (en)	1990-04-04
EP0361245A3 true EP0361245A3 (en)	1990-04-18
EP0361245B1 EP0361245B1 (en)	1992-07-29

Family

ID=6363680

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89117174A Expired - Lifetime EP0361245B1 (en)	1988-09-24	1989-09-16	Shaft seal for a turbo machine

Country Status (2)

Country	Link
EP (1)	EP0361245B1 (en)
DE (2)	DE3832560A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6733233B2 (en)	2002-04-26	2004-05-11	Pratt & Whitney Canada Corp.	Attachment of a ceramic shroud in a metal housing
US9790863B2 (en)	2013-04-05	2017-10-17	Honeywell International Inc.	Fluid transfer seal assemblies, fluid transfer systems, and methods for transferring process fluid between stationary and rotating components using the same
CN115875088B (en) *	2022-12-01	2025-03-21	山东齐鲁电机制造有限公司	A design method for adjustable steam seal and spring leaf of steam turbine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1226379B (en) *	1961-11-07	1966-10-06	Licentia Gmbh	Rotor seal with sealing ring segments
GB2092242A (en) *	1981-01-31	1982-08-11	Rolls Royce	Non-contacting gas seal

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1997613A (en) *	1929-09-23	1935-04-16	Guysbert B Vroom	Method of and apparatus for sealing mediums from escape
US2908516A (en) *	1954-08-02	1959-10-13	Koppers Co Inc	Circumferential shaft seal
US3009717A (en) *	1958-01-08	1961-11-21	City Nat Bank And Trust Compan	Labyrinth seal including back up spring
NL258319A (en) *	1959-12-03
CH450081A (en) *	1965-07-01	1968-01-15	Licentia Gmbh	Floating ring seal
US3377075A (en) *	1966-01-19	1968-04-09	Allis Chalmers Mfg Co	Rotating shaft seal retainer
DE1912964A1 (en) *	1969-03-14	1970-09-24	Klein Schanzlin & Becker Ag	Hydrostatic mechanical seal
US3743303A (en) *	1970-12-29	1973-07-03	Gen Electric	Force balanced split ring dynamic shaft seals
AU4754672A (en) *	1971-11-24	1974-04-26	Ramsey Corporation	Seal element
US4082296A (en) *	1976-05-26	1978-04-04	Stein Philip C	Seal for sealing between a rotating member and a housing
DE3542826A1 (en) *	1985-12-04	1987-06-11	Mtu Muenchen Gmbh	SHAFT SEALING DEVICE FOR TURBO MACHINES, ESPECIALLY GAS TURBINE ENGINES
US4722663A (en) *	1986-02-04	1988-02-02	Rotoflow Corporation	Seal-off mechanism for rotating turbine shaft

1988
- 1988-09-24 DE DE3832560A patent/DE3832560A1/en not_active Withdrawn
1989
- 1989-09-16 DE DE8989117174T patent/DE58901941D1/en not_active Expired - Lifetime
- 1989-09-16 EP EP89117174A patent/EP0361245B1/en not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1226379B (en) *	1961-11-07	1966-10-06	Licentia Gmbh	Rotor seal with sealing ring segments
GB2092242A (en) *	1981-01-31	1982-08-11	Rolls Royce	Non-contacting gas seal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 6, no 260; 18 Dec. 1982 (M-180)[1138] & JP-A-57 154 562 (HITACHI); 24. Sept. 1982 *

Also Published As

Publication number	Publication date
EP0361245B1 (en)	1992-07-29
EP0361245A2 (en)	1990-04-04
DE3832560A1 (en)	1990-03-29
DE58901941D1 (en)	1992-09-03

Legal Events

Date	Code	Title	Description
1990-02-17	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1990-02-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-04-04	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1990-04-18	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1990-05-30	17P	Request for examination filed	Effective date: 19900404
1992-02-26	17Q	First examination report despatched	Effective date: 19920115
1992-06-12	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-07-29	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1992-09-03	REF	Corresponds to:	Ref document number: 58901941 Country of ref document: DE Date of ref document: 19920903
1992-09-04	ET	Fr: translation filed
1992-09-09	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1992-10-19	ITF	It: translation for a ep patent filed
1993-06-03	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1993-06-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1993-07-21	26N	No opposition filed
1993-08-11	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19930811 Year of fee payment: 5
1993-08-12	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19930812 Year of fee payment: 5 Ref country code: CH Payment date: 19930812 Year of fee payment: 5
1993-08-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19930816 Year of fee payment: 5
1994-09-16	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19940916
1994-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19940930 Ref country code: CH Effective date: 19940930
1995-05-10	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19940916
1995-05-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19950531
1995-05-31	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1995-06-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19950601
1995-07-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-09-16	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050916

Publication	Publication Date	Title
GB2226367B (en)	1993-05-19	Rotor assembly for a turbomachine
GB2216964B (en)	1992-07-15	Rotating shaft seal
AU3148089A (en)	1989-09-21	Arrangement on a packing machine
EP0298015A3 (en)	1989-07-05	Stator valve assembly for a rotary machine
DE3560371D1 (en)	1987-08-27	Carter for a turbo machine
EP0274931A3 (en)	1988-07-27	Adjusting device for the stator vanes of a turbo machine
GB9002265D0 (en)	1990-03-28	Casing for a rotary machine
AU3608684A (en)	1985-07-18	Sealing member for a rotating shaft
GB2221743B (en)	1992-04-08	A mounting for machinery
GB2216784B (en)	1992-02-19	A fruit-squeezing machine
AR243657A1 (en)	1993-08-31	Bellows seal for a rotary shaft
GB2258272B (en)	1994-12-07	Rotors for turbo machines
EP0418473A3 (en)	1991-06-05	Seal arrangement for a shaft
GB2258275B (en)	1995-04-19	A shaft seal
GB2225394B (en)	1992-09-30	Shaft sealing arrangement
EP0361245A3 (en)	1990-04-18	Shaft seal for a turbo machine
DE3567519D1 (en)	1989-02-16	Shaft seal for a compressor
GB9021194D0 (en)	1990-11-14	Seal arrangement for a rotary engine
EP0155581A3 (en)	1987-05-27	End cover for a turbo machine
GB2226621B (en)	1993-05-12	Sealing shutter for a shaft furnace
GB8918038D0 (en)	1989-09-20	A machine
GB2220995B (en)	1992-09-23	A rotary shaft seal
GB2239060B (en)	1993-04-28	A shaft sealing arrangement
GB2248655B (en)	1994-05-04	Seal arrangement for a rotary machine
GB9027761D0 (en)	1991-02-13	Sealing around a shaft